Welcome to UnlockiOS Tech! In this video, we’ll guide you on how to fix the “Could Not Sign In: Authentication Failed” issue on your iPhone running iOS 18. If you’re unable to sign in to Media and Purchases, follow these steps to resolve the problem and access your account again.
What You’ll Learn:
• Why the “Authentication Failed” error occurs on iPhone iOS 18
• Step-by-step guide to fixing Media and Purchases sign-in issues
• Tips to prevent future sign-in problems
Timestamps:
0:00 - Introduction
0:20 - Understanding the “Authentication Failed” Issue
0:45 - Steps to Fix Media and Purchases Not Signed In
1:20 - Final Tips to Ensure Smooth Sign-In
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